National Geologic Map Database
General Information
- Title: Geology of Peoria County; McDonough County; Monroe County; Macoupin County; Sangamon County
- Author(s): Worthen, A.H.
- Publishing Organization: Illinois State Geological Survey
- Series and Number: Economic Geology v. 5 [p. 235-319]
- Publication Date: 1873
- Cross Section: None
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* See base map disclaimer below
Geologic units referred to in Geolex
Additional Resources
- Links and Downloads:
- Publication
- This product is available, please note the publication series and number, and then contact:
- Illinois State Geological Survey
- Sales/Information Office
- ISGS
- 615 E. Peabody Drive
- Champaign, IL 61820-6964
- Phone: (217) 244-2414
- Email: sales@prairie.illinois.edu
* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.